GMC Terrain: Interior Lighting / Reading Lamps
There are reading lamps on the
overhead console and over the rear
passenger doors. These lamps
come on when any door is opened.

Front Reading Lamps
The front reading lamps are in the
overhead console.
Press the lamp lenses to turn the
front reading lamps on or off.

Rear Reading Lamps
Press the lamp lens to turn the rear
passenger reading lamps on or off.
For more information on interior
lighting, see Instrument Panel
Illumination Control.
The dome lamp controls are in the
overhead console.
To operate, press the following
buttons:
: Press to turn off the
dome lamps when a door is open...
The exterior lamp control is on the
instrument panel to the left of the
steering column.
There are four positions.
: Turns the exterior lamps off
and
deactivates the AUTO mode...
Other information:
The vehicle has a number of
computers that record information
about the vehicle’s performance and
how it is driven. For example, the
vehicle uses computer modules to
monitor and control engine and
transmission performance, to
monitor the conditions for airbag
deployment and deploy them in a
crash, and, if equipped, to provide
antilock braking to help the driver
control the vehicle...
Battery Load Management
The vehicle has Electric Power
Management (EPM) that estimates
the battery's temperature and state
of charge. It then adjusts the voltage
for best performance and extended
life of the battery.
When the battery's state of charge
is low, the voltage is raised slightly
to quickly bring the charge back up...